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BIKELAND > FORUMS > ZX-14.com > Thread: Factory Pro Velocity Stacks Installed NEW TOPIC NEW POLL POST REPLY
ninjaboy311


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Posts: 940
posted July 24, 2008 11:17 AM        
Factory Pro Velocity Stacks Installed

As promised, here's some pics of the installation of the Factory Pro 'Race' Velocity Stacks.

Installation was quite easy. I took longer than normal, just because this was my first time ever doing this and I wanted to make sure I didn't miss anything.


I removed the plastics, and propped up the gas tank. Would have been easier to remove the tank, but I'm lazy.


Next I removed the air box covers.


Then I loosened the clamp holding the stock stack to the throttle body. I did one at a time starting from the right hand side.


After loosening the clamp, I pulled the stock stack out from inside the air box. Here you can see the differences between the stock stack and the race stack.


I then cleaned out any debris the fell into the throttle body, which was just a little bit of dust.
As suggested by Ryan Schnitz, I sprayed the rubber part of the new stack with some WD-40 to help it slide through the frame seal, frame, and onto the throttle body.


Fit was perfect!!


I then moved on to the remaining 3...


Here they are fully installed...



After making sure everything was secure and my air box was clean, I re-installed the covers..


Gas tank went back on next with the help of my crew chief...


Plastics went back on and then finally it was time to put the seat/tail back on...



Here's all 4 of the stock stacks out of the bike...



There may be other methods of installing these stacks. Whichever way you choose, its a simple install. Hope this information helps if anyone was wondering what it takes to install the Factory Pro Velocity Stacks!!




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smokinzx14


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posted July 24, 2008 11:59 AM        
Very nice write up and pictures ....... Let us know how they work at the track ....

Smokin..
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ninjaboy311


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Posts: 940
posted July 25, 2008 10:51 PM        
UPDATE 7/26/08!!!!!!!

Boy do I feel like a dumbass. I had a feeling that something just wasn't right after the installation. Retarded as it may sound, I had kept the stock seals in place. No wonder the stacks didn't push all the way onto the throttlebodies. DOH!!!!!

Just got back from tearing it all apart again and doing it the right way. Stock seals DO NOT GET RE-USED!!!! My mistake. There weren't any instructions that came with it so what do I know??? I'm not a mechanic, I just like to go fast.

Anyways, here's the new updated pics of the correct installation. Next Friday we'll get to see if they make a diference.










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madkawboy


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Posts: 398
posted July 25, 2008 11:53 PM        
are you going to remap for the stacks or just use your orig. map ?
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ninjaboy311


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posted July 26, 2008 06:40 AM        
For now going to use the map I have and see what it does.
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shane661


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posted August 03, 2008 07:30 AM        
Any update on the results at the track?

Shane

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ninjaboy311


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posted August 03, 2008 01:56 PM        
Made a few passes last night. Corrected density altitude was 3300 ft, humidity was 80% and temp. started in the mid-90's and dropped to the middle 80's during the race.

With these conditions, I wasn't expected good results, which I didn't. No different mapping was done. Bike ran 9.21 with me on it, which is a few hundredths better than I've been running in these conditions. Another thing is that I was not at my home track, and my bike usually runs a little slower when I race at the track I was at yesterday. So until I can get a pass at my home track, I won't be able to judge these stacks accurately yet.

I did put a 135 lb. jockey on it for one pass, and he went 8.95 @ 150, so that was promising in these conditions.

One more thing to note, my clutches have 225 passes on them now, so I may be losing a few hundredths from that alone. More testing to come.
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NOX


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posted August 03, 2008 02:05 PM        
main question is, did it back half better or worse, with the the weather factored in, if you have the data for that..........?

Last time we were out, bike back halfed harder, in 700 ft worse DA air, from switching oil brands........, same weight. Going from RP to AMSOIL.
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ninjaboy311


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posted August 03, 2008 02:13 PM        
Until I can get back to No Problem Raceway (hopefully next Friday), I can't determine anything. State Capitol's timers always tend to read slower for some reason.

Will update as soon as I get better data.
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ninjaboy311


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posted August 08, 2008 09:08 PM        
Went to my home track last night. 98% humidity, 80 degrees, density altitude in the 3000's....bike went 9.16 @ 151 with me on it (197 lbs). This is still with the same clutches now over 230 passes and 87 pump gas. Picked up exactly 30 MPH from 1/8th mile - 1/4 mile. Before I was only picking up 26-27 MPH on the top end.

So if I were to judge by these results, I would say yes, so far I am pleased with the Factory Pro Velocity Stacks. I still haven't changed any mapping, so there could possibly be more in the bike that I'm missing.

With the same 60', I went from running 9.21-9.24, to 9.16-9.17 in the near same, if not worse weather conditions.

I'll continue testing, with the Hurricane Alley race in Baytown on August 16th!!!!
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creepdog


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posted August 08, 2008 10:13 PM        
i saw that they come in two sizes.what size stacks are those?
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NOX


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posted August 08, 2008 10:28 PM        
Thats the comparo I was looking for.......

Good job Patrick.


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Shane661


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posted August 08, 2008 10:59 PM        
Are you 197 pounds suited or unsuited?
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ninjaboy311


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posted August 08, 2008 11:56 PM        
quote:
i saw that they come in two sizes.what size stacks are those?


I have the short race stacks. I chose those for top end increase instead of the taller street stacks which are designed for better mid-range.


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ninjaboy311


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posted August 09, 2008 12:00 AM        
quote:
Are you 197 pounds suited or unsuited?


197 in my tighty whitey's. Probably 215 or more fully suited. My Vanson suit is pretty heavy.
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Shane661


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posted August 09, 2008 12:05 AM        
Thanks. I am trying to get an idea of what mph I should be shooting for. I am about 10-12 lbs. heavier than you, so I would think 146-148 mph should be possible for me with a good tune. I was only hitting 143 yesterday, but the the a/f was pretty rich and I didn't have the fairings on the bike.

Shane

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ninjaboy311


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posted August 09, 2008 01:43 AM        
Yea thats what you should run in this weather. In the cooler air, you should see 149-151.
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madboost


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posted August 09, 2008 08:25 AM        
3-4mph more after teh 8th with 4 hp? Mr9 dosent even give you those gains after the 1/8th, i'm sorry i think its nice that youre testing them out and its great and all but something else must of changed i possibly cannot see 3-4mph more from just velocity stacks, did you loose mph in the 1/8th? sometimes if you run slower 1/8th mile you gain more then you usually do when you run high mph. Ive been 116mph and 147 1/4, then last night bike made alot more power 122 1/8th and 149.5 1/4
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ninjaboy311


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posted August 09, 2008 01:37 PM        
I didn't lose any 1/8th mile MPH, still running 120. Picked up .04-.05hundredths ET, and 3-4 MPH in the 1/4. I'm just reporting the facts as they happen.
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lietoome


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posted August 09, 2008 02:15 PM        
Keep posting the info, real world data makes all the difference. Thanks.
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NOX


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posted August 10, 2008 10:18 AM        
3 to 4 mph is alot.......

3 to 4 mph should gain over .1

3 to 4 mph should gain really more like .15
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ninjaboy311


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posted August 10, 2008 06:02 PM        
Ok so I guess I'm telling a lie??

Judge for yourself, 1st ticket is before the stacks, 2nd ticket is after the stacks were installed. I'm not trying to sell these stacks nor am I trying to make them out to be more than they are. I'm just reporting the changes in the way my bike ran after installing the stacks. I have over 600 passes on this bike, so besides looking at a time slip, I know when there's a difference and when there isn't. But I guess since yall know more about my bike than I do, it really doesn't matter what I say does it?


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madboost


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posted August 10, 2008 10:40 PM        
no one is calling you a liar, just saying that picking up that much mph should of neted much better et, what was the weather like in June when you ran it and now?
____________
08 zx14-with a few things.
94z28 383,TH400,YSI,9",DFI and much more
9.44@144 w 1.5060ft

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ninjaboy311


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posted August 10, 2008 10:53 PM        
According to my logbook, in June it was 85% humidity, 84 degrees, 5 MPH Tail wind, DA was 2800 ft.
Friday night, it was 95% humidity, 3300 DA, 0 wind, 80 degrees.
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shane661


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posted August 10, 2008 11:04 PM        Edited By: shane661 on 11 Aug 2008 06:08
I am going to call Schnitz today and check availability. I am thinking of giving them a try.

I have a data logger on the bike. I would like to see how they affect a/f and mph. I might just change them out at the track and compare results.

Thanks for taking the time to update your findings.

Shane

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